As you can see by the nomenclature, the name of the EOS 7D, when it was first announced, saying rather that Canon plans to somehow expand the range of full-frame (or APS-H) cameras. And later posted the specifications made a lot of noise is this option - and the noise is not benevolent.

In fact, if you look not at the model designations, and in essence camera line EOS at the time of announcement of the 7D in the arsenal of the company were the following custom suggestions: EOS 1000D - SLR for beginners, with a minimum set of useful features, but the standard reduced the matrix that allows you to do high-quality images; EOS 500D - amateur camera in the standard sense of the word: the reduced matrix and a limited set of functions (currently replaced 550D); EOS 50D - SLR camera, in which developers quite carefully approached the problem of ease of use; EOS 5D Mark II - «simplified" version of the full-frame camera from Canon, functional (except for full-frame matrix) is quite close to the EOS 50D; EOS 1D Mark III - reportёrskaya camera, the shutter speed which are given to the mercy of the size of the matrix (the area it is 1.3 times smaller than full-frame) and the number of megapixels; EOS 1Ds Mark III - the flagship, full-frame camera with a wide range of functions (with the exception of the high shutter speed, and video), thoughtful design, dust and moisture protection. In addition, the market was in circulation Camera EOS 5D - the output of which took place in August 2005 and which was a highly successful attempt to create an inexpensive Canon full-frame camera